feat(chart): VPA Updater PodDisruptionBudget

Signed-off-by: phuhung273 <[email protected]>

Author: phuhung273

vertical-pod-autoscaler/charts/vertical-pod-autoscaler/Chart.yaml

@@ -15,7 +15,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.5.0
+version: 0.6.0
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to

vertical-pod-autoscaler/charts/vertical-pod-autoscaler/README.md

@@ -4,7 +4,7 @@ WARNING: This chart is currently under development and is not ready for producti
 
 Automatically adjust resources for your workloads
 
-![Version: 0.5.0](https://img.shields.io/badge/Version-0.5.0-informational?style=flat-square)
+![Version: 0.6.0](https://img.shields.io/badge/Version-0.6.0-informational?style=flat-square)
 ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square)
 ![AppVersion: 1.5.1](https://img.shields.io/badge/AppVersion-1.5.1-informational?style=flat-square)
 
@@ -98,5 +98,8 @@ The Vertical Pod Autoscaler (VPA) automatically adjusts the CPU and memory resou
 | updater.image.repository | string | `"registry.k8s.io/autoscaling/vpa-updater"` |  |
 | updater.image.tag | string | `nil` |  |
 | updater.podAnnotations | object | `{}` |  |
+| updater.podDisruptionBudget.enabled | bool | `true` |  |
+| updater.podDisruptionBudget.maxUnavailable | int or string | `nil` | Maximum number/percentage of pods that can be unavailable after the eviction. IMPORTANT: You can specify either 'minAvailable' or 'maxUnavailable', but not both. |
+| updater.podDisruptionBudget.minAvailable | int or string | `1` | Minimum number/percentage of pods that must be available after the eviction. IMPORTANT: You can specify either 'minAvailable' or 'maxUnavailable', but not both. |
 | updater.podLabels | object | `{}` |  |
-| updater.replicas | int | `1` |  |
+| updater.replicas | int | `2` |  |

vertical-pod-autoscaler/charts/vertical-pod-autoscaler/templates/updater-pdb.yaml

@@ -0,0 +1,19 @@
+{{- if and .Values.updater.enabled .Values.updater.podDisruptionBudget.enabled -}}
+apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: {{ include "vertical-pod-autoscaler.updater.fullname" . }}
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "vertical-pod-autoscaler.updater.labels" . | nindent 4 }}
+spec:
+  selector:
+    matchLabels:
+      {{- include "vertical-pod-autoscaler.updater.selectorLabels" . | nindent 6 }}
+  {{- if .Values.updater.podDisruptionBudget.minAvailable }}
+  minAvailable: {{ .Values.updater.podDisruptionBudget.minAvailable }}
+  {{- end }}
+  {{- if .Values.updater.podDisruptionBudget.maxUnavailable }}
+  maxUnavailable: {{ .Values.updater.podDisruptionBudget.maxUnavailable }}
+  {{- end }}
+{{- end -}}

vertical-pod-autoscaler/charts/vertical-pod-autoscaler/values.yaml

@@ -191,10 +191,20 @@ updater:
     pullPolicy: IfNotPresent
 
   # Number of Updater replicas to create.
-  replicas: 1
+  replicas: 2
 
   # Labels to add to the Updater pod.
   podLabels: {}
 
   # Annotations to add to the Updater pod.
   podAnnotations: {}
+
+  # PodDisruptionBudget for the Updater.
+  podDisruptionBudget:
+    enabled: true
+    # -- (int or string) Minimum number/percentage of pods that must be available after the eviction.
+    # IMPORTANT: You can specify either 'minAvailable' or 'maxUnavailable', but not both.
+    minAvailable: 1
+    # -- (int or string) Maximum number/percentage of pods that can be unavailable after the eviction.
+    # IMPORTANT: You can specify either 'minAvailable' or 'maxUnavailable', but not both.
+    maxUnavailable: